An operating system (OS) is the core software that manages computer hardware and software resources, and provides common services for computer programs. It acts as an intermediary between users and the computer hardware. The core functions of an operating system include process management, memory management, file system management, and device management. Popular operating systems include Windows, macOS, Linux, and Unix.

Memory Managment

Memory management is a crucial function of an operating system that involves the handling and organization of computer memory. It ensures that each application has enough memory to execute, manages the allocation and deallocation of memory spaces as needed by different programs, and optimizes the use of memory resources to enhance overall system performance.